The L641 is a water temperature thermostat designed for surface mounting on domestic hot water cylinders, it is supplied complete with mounting strap for rapid and easy installation, so draining of the system or tapping the cylinder is not necessary.
MC3+ is a rapid performing, and powerful chemical cleaner specifically designed to remove central heating system sludge, and debris. The MC3+ starts to work as quickly as one hour after application, and for maximum flexibility, it can be left in the system for up to 28 days.
The L641 is a water temperature thermostat designed for surface mounting on domestic hot water cylinders, it is supplied complete with mounting strap for rapid and easy installation, so draining of the system or tapping the cylinder is not necessary.
MC3+ is a rapid performing, and powerful chemical cleaner specifically designed to remove central heating system sludge, and debris. The MC3+ starts to work as quickly as one hour after application, and for maximum flexibility, it can be left in the system for up to 28 days.